23434506501 has 64 divisors (see below), whose sum is σ = 39761940480. Its totient is φ = 11968197120.

The previous prime is 23434506497. The next prime is 23434506503. The reversal of 23434506501 is 10560543432.

It is not a de Polignac number, because 23434506501 - 2² = 23434506497 is a prime.

It is a super-2 number, since 2×23434506501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434506503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 652431 + ... + 687411.

It is an arithmetic number, because the mean of its divisors is an integer number (621280320).

Almost surely, 2^23434506501 is an apocalyptic number.

23434506501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23434506501 is a deficient number, since it is larger than the sum of its proper divisors (16327433979).

23434506501 is a wasteful number, since it uses less digits than its factorization.

23434506501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35106.

The product of its (nonzero) digits is 43200, while the sum is 33.

It can be divided in two parts, 23434 and 506501, that added together give a triangular number (529935 = T₁₀₂₉).

The spelling of 23434506501 in words is "twenty-three billion, four hundred thirty-four million, five hundred six thousand, five hundred one".