23401434515 has 8 divisors (see below), whose sum is σ = 28100072688. Its totient is φ = 18708913440.

The previous prime is 23401434503. The next prime is 23401434523. The reversal of 23401434515 is 51543410432.

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

It is not a de Polignac number, because 23401434515 - 2⁶ = 23401434451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1520852 + ... + 1536161.

It is an arithmetic number, because the mean of its divisors is an integer number (3512509086).

Almost surely, 2^23401434515 is an apocalyptic number.

23401434515 is a deficient number, since it is larger than the sum of its proper divisors (4698638173).

23401434515 is a wasteful number, since it uses less digits than its factorization.

23401434515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058549.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 23401434515 its reverse (51543410432), we get a palindrome (74944844947).

The spelling of 23401434515 in words is "twenty-three billion, four hundred one million, four hundred thirty-four thousand, five hundred fifteen".