23287261375 has 32 divisors (see below), whose sum is σ = 34658417664. Its totient is φ = 15274116000.

The previous prime is 23287261373. The next prime is 23287261379. The reversal of 23287261375 is 57316278232.

It is not a de Polignac number, because 23287261375 - 2¹ = 23287261373 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23287261373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558441 + ... + 598690.

It is an arithmetic number, because the mean of its divisors is an integer number (1083075552).

Almost surely, 2^23287261375 is an apocalyptic number.

23287261375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23287261375 is a deficient number, since it is larger than the sum of its proper divisors (11371156289).

23287261375 is a wasteful number, since it uses less digits than its factorization.

23287261375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157176 (or 1157166 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The spelling of 23287261375 in words is "twenty-three billion, two hundred eighty-seven million, two hundred sixty-one thousand, three hundred seventy-five".