23435490 has 32 divisors (see below), whose sum is σ = 60572736. Its totient is φ = 5768640.

The previous prime is 23435483. The next prime is 23435497. The reversal of 23435490 is 9453432.

It is an interprime number because it is at equal distance from previous prime (23435483) and next prime (23435497).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (23435497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29656 + ... + 30435.

It is an arithmetic number, because the mean of its divisors is an integer number (1892898).

Almost surely, 2^23435490 is an apocalyptic number.

23435490 is an abundant number, since it is smaller than the sum of its proper divisors (37137246).

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

23435490 is a wasteful number, since it uses less digits than its factorization.

23435490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60114.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 23435490 is about 4841.0215864010. The cubic root of 23435490 is about 286.1703795133.

The spelling of 23435490 in words is "twenty-three million, four hundred thirty-five thousand, four hundred ninety".