23310240421 has 32 divisors (see below), whose sum is σ = 28507127040. Its totient is φ = 18823394304.

The previous prime is 23310240361. The next prime is 23310240449. The reversal of 23310240421 is 12404201332.

It is not a de Polignac number, because 23310240421 - 2¹⁵ = 23310207653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23310240392 and 23310240401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23310240451) 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 31 ways as a sum of consecutive naturals, for example, 170176 + ... + 274918.

It is an arithmetic number, because the mean of its divisors is an integer number (890847720).

Almost surely, 2^23310240421 is an apocalyptic number.

It is an amenable number.

23310240421 is a deficient number, since it is larger than the sum of its proper divisors (5196886619).

23310240421 is a wasteful number, since it uses less digits than its factorization.

23310240421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104845.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23310240421 its reverse (12404201332), we get a palindrome (35714441753).

The spelling of 23310240421 in words is "twenty-three billion, three hundred ten million, two hundred forty thousand, four hundred twenty-one".