23212310493 has 32 divisors (see below), whose sum is σ = 34509024000. Its totient is φ = 13803457536.

The previous prime is 23212310489. The next prime is 23212310497. The reversal of 23212310493 is 39401321232.

It is an interprime number because it is at equal distance from previous prime (23212310489) and next prime (23212310497).

It is not a de Polignac number, because 23212310493 - 2² = 23212310489 is a prime.

It is a super-2 number, since 2×23212310493² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23212310493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212310497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37083 + ... + 218631.

It is an arithmetic number, because the mean of its divisors is an integer number (1078407000).

Almost surely, 2^23212310493 is an apocalyptic number.

23212310493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23212310493 is a deficient number, since it is larger than the sum of its proper divisors (11296713507).

23212310493 is a wasteful number, since it uses less digits than its factorization.

23212310493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181701.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 23212310493 in words is "twenty-three billion, two hundred twelve million, three hundred ten thousand, four hundred ninety-three".