23432201034021 has 24 divisors (see below), whose sum is σ = 36450375638040. Its totient is φ = 14419703218176.

The previous prime is 23432201034007. The next prime is 23432201034029. The reversal of 23432201034021 is 12043010223432.

23432201034021 is a `hidden beast` number, since 2 + 3 + 432 + 201 + 0 + 3 + 4 + 0 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 540282331521 + 22891918702500 = 735039^2 + 4784550^2 .

It is not a de Polignac number, because 23432201034021 - 2¹³ = 23432201025829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23432201034029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15715645 + ... + 17141933.

It is an arithmetic number, because the mean of its divisors is an integer number (1518765651585).

Almost surely, 2^{23432201034021} is an apocalyptic number.

It is an amenable number.

23432201034021 is a deficient number, since it is larger than the sum of its proper divisors (13018174604019).

23432201034021 is a wasteful number, since it uses less digits than its factorization.

23432201034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566725 (or 1566722 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23432201034021 its reverse (12043010223432), we get a palindrome (35475211257453).

The spelling of 23432201034021 in words is "twenty-three trillion, four hundred thirty-two billion, two hundred one million, thirty-four thousand, twenty-one".