15212315023 has 8 divisors (see below), whose sum is σ = 16421090400. Its totient is φ = 14049153888.

The previous prime is 15212315017. The next prime is 15212315029. The reversal of 15212315023 is 32051321251.

15212315023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15212315017) and next prime (15212315029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15212315023 - 2¹⁷ = 15212183951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15212315029) 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 7 ways as a sum of consecutive naturals, for example, 11402868 + ... + 11404201.

It is an arithmetic number, because the mean of its divisors is an integer number (2052636300).

Almost surely, 2^15212315023 is an apocalyptic number.

15212315023 is a deficient number, since it is larger than the sum of its proper divisors (1208775377).

15212315023 is a wasteful number, since it uses less digits than its factorization.

15212315023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22807121.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 15212315023 its reverse (32051321251), we get a palindrome (47263636274).

The spelling of 15212315023 in words is "fifteen billion, two hundred twelve million, three hundred fifteen thousand, twenty-three".