23540093291 has 16 divisors (see below), whose sum is σ = 28857911040. Its totient is φ = 18895055520.

The previous prime is 23540093281. The next prime is 23540093293. The reversal of 23540093291 is 19239004532.

It is a happy number.

It is not a de Polignac number, because 23540093291 - 2²² = 23535898987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23540093293) 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 15 ways as a sum of consecutive naturals, for example, 3575321 + ... + 3581898.

It is an arithmetic number, because the mean of its divisors is an integer number (1803619440).

Almost surely, 2^23540093291 is an apocalyptic number.

23540093291 is a deficient number, since it is larger than the sum of its proper divisors (5317817749).

23540093291 is a wasteful number, since it uses less digits than its factorization.

23540093291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157266.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 23540093291 in words is "twenty-three billion, five hundred forty million, ninety-three thousand, two hundred ninety-one".