23251503513 has 8 divisors (see below), whose sum is σ = 35430862528. Its totient is φ = 13286573424.

The previous prime is 23251503511. The next prime is 23251503521. The reversal of 23251503513 is 31530515232.

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

It is not a de Polignac number, because 23251503513 - 2¹ = 23251503511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23251503511) 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 7 ways as a sum of consecutive naturals, for example, 553607206 + ... + 553607247.

It is an arithmetic number, because the mean of its divisors is an integer number (4428857816).

Almost surely, 2^23251503513 is an apocalyptic number.

It is an amenable number.

23251503513 is a deficient number, since it is larger than the sum of its proper divisors (12179359015).

23251503513 is a wasteful number, since it uses less digits than its factorization.

23251503513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107214463.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 23251503513 in words is "twenty-three billion, two hundred fifty-one million, five hundred three thousand, five hundred thirteen".