23402010321 has 16 divisors (see below), whose sum is σ = 34691776320. Its totient is φ = 15591381120.

The previous prime is 23402010301. The next prime is 23402010323. The reversal of 23402010321 is 12301020432.

23402010321 is a `hidden beast` number, since 2 + 340 + 2 + 0 + 1 + 0 + 321 = 666.

It is not a de Polignac number, because 23402010321 - 2³¹ = 21254526673 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23402010294 and 23402010303.

It is not an unprimeable number, because it can be changed into a prime (23402010323) 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, 233440 + ... + 318273.

It is an arithmetic number, because the mean of its divisors is an integer number (2168236020).

Almost surely, 2^23402010321 is an apocalyptic number.

It is an amenable number.

23402010321 is a deficient number, since it is larger than the sum of its proper divisors (11289765999).

23402010321 is a wasteful number, since it uses less digits than its factorization.

23402010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553293 (or 553287 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23402010321 its reverse (12301020432), we get a palindrome (35703030753).

The spelling of 23402010321 in words is "twenty-three billion, four hundred two million, ten thousand, three hundred twenty-one".