23041403421 has 16 divisors (see below), whose sum is σ = 31600610304. Its totient is φ = 14922840384.

The previous prime is 23041403401. The next prime is 23041403431. The reversal of 23041403421 is 12430414032.

It is a de Polignac number, because none of the positive numbers 2^k-23041403421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23041403391 and 23041403400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23041403401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86461 + ... + 231426.

It is an arithmetic number, because the mean of its divisors is an integer number (1975038144).

Almost surely, 2^23041403421 is an apocalyptic number.

It is an amenable number.

23041403421 is a deficient number, since it is larger than the sum of its proper divisors (8559206883).

23041403421 is a wasteful number, since it uses less digits than its factorization.

23041403421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318580.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23041403421 its reverse (12430414032), we get a palindrome (35471817453).

The spelling of 23041403421 in words is "twenty-three billion, forty-one million, four hundred three thousand, four hundred twenty-one".