23429874 has 32 divisors (see below), whose sum is σ = 50871744. Its totient is φ = 7151040.

The previous prime is 23429851. The next prime is 23429911. The reversal of 23429874 is 47892432.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9072 + ... + 11364.

It is an arithmetic number, because the mean of its divisors is an integer number (1589742).

Almost surely, 2^23429874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23429874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25435872).

23429874 is an abundant number, since it is smaller than the sum of its proper divisors (27441870).

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

23429874 is a wasteful number, since it uses less digits than its factorization.

23429874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442.

The product of its digits is 96768, while the sum is 39.

The square root of 23429874 is about 4840.4415087882. The cubic root of 23429874 is about 286.1475187262.

The spelling of 23429874 in words is "twenty-three million, four hundred twenty-nine thousand, eight hundred seventy-four".