23374428 has 96 divisors (see below), whose sum is σ = 69769728. Its totient is φ = 5913600.

The previous prime is 23374409. The next prime is 23374447. The reversal of 23374428 is 82447332.

It is an interprime number because it is at equal distance from previous prime (23374409) and next prime (23374447).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37576 + ... + 38192.

It is an arithmetic number, because the mean of its divisors is an integer number (726768).

Almost surely, 2^23374428 is an apocalyptic number.

23374428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23374428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34884864).

23374428 is an abundant number, since it is smaller than the sum of its proper divisors (46395300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23374428 is a wasteful number, since it uses less digits than its factorization.

23374428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 681 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 23374428 is about 4834.7107462598. The cubic root of 23374428 is about 285.9216209821.

The spelling of 23374428 in words is "twenty-three million, three hundred seventy-four thousand, four hundred twenty-eight".