23471490 has 64 divisors (see below), whose sum is σ = 65721600. Its totient is φ = 5362560.

The previous prime is 23471467. The next prime is 23471501. The reversal of 23471490 is 9417432.

It is a happy number.

It is a hoax number, since the sum of its digits (30) 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 (30).

It is a Curzon 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, 9150 + ... + 11430.

It is an arithmetic number, because the mean of its divisors is an integer number (1026900).

Almost surely, 2^23471490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23471490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32860800).

23471490 is an abundant number, since it is smaller than the sum of its proper divisors (42250110).

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

23471490 is a wasteful number, since it uses less digits than its factorization.

23471490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 23471490 is about 4844.7383830296. The cubic root of 23471490 is about 286.3168363475.

The spelling of 23471490 in words is "twenty-three million, four hundred seventy-one thousand, four hundred ninety".