23030331515 has 8 divisors (see below), whose sum is σ = 28279105008. Its totient is φ = 17995793760.

The previous prime is 23030331481. The next prime is 23030331553. The reversal of 23030331515 is 51513303032.

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

It is a de Polignac number, because none of the positive numbers 2^k-23030331515 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53558696 + ... + 53559125.

It is an arithmetic number, because the mean of its divisors is an integer number (3534888126).

Almost surely, 2^23030331515 is an apocalyptic number.

23030331515 is a deficient number, since it is larger than the sum of its proper divisors (5248773493).

23030331515 is a wasteful number, since it uses less digits than its factorization.

23030331515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107117869.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 23030331515 its reverse (51513303032), we get a palindrome (74543634547).

The spelling of 23030331515 in words is "twenty-three billion, thirty million, three hundred thirty-one thousand, five hundred fifteen".