23021292490 has 32 divisors (see below), whose sum is σ = 47391024384. Its totient is φ = 7887525120.

The previous prime is 23021292479. The next prime is 23021292491. The reversal of 23021292490 is 9429212032.

It is not an unprimeable number, because it can be changed into a prime (23021292491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12351 + ... + 214930.

It is an arithmetic number, because the mean of its divisors is an integer number (1480969512).

Almost surely, 2^23021292490 is an apocalyptic number.

23021292490 is an abundant number, since it is smaller than the sum of its proper divisors (24369731894).

23021292490 is a wasteful number, since it uses less digits than its factorization.

23021292490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228742.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 23021292490 in words is "twenty-three billion, twenty-one million, two hundred ninety-two thousand, four hundred ninety".