23021432134 has 8 divisors (see below), whose sum is σ = 34535155608. Its totient is φ = 11509713600.

The previous prime is 23021432081. The next prime is 23021432141. The reversal of 23021432134 is 43123412032.

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

It is a junction number, because it is equal to n+sod(n) for n = 23021432099 and 23021432108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472192 + ... + 518659.

It is an arithmetic number, because the mean of its divisors is an integer number (4316894451).

Almost surely, 2^23021432134 is an apocalyptic number.

23021432134 is a deficient number, since it is larger than the sum of its proper divisors (11513723474).

23021432134 is a wasteful number, since it uses less digits than its factorization.

23021432134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002470.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23021432134 its reverse (43123412032), we get a palindrome (66144844166).

The spelling of 23021432134 in words is "twenty-three billion, twenty-one million, four hundred thirty-two thousand, one hundred thirty-four".