23301212131 has 4 divisors (see below), whose sum is σ = 23301784264. Its totient is φ = 23300640000.

The previous prime is 23301212119. The next prime is 23301212147. The reversal of 23301212131 is 13121210332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23301212131 - 2⁷ = 23301212003 is a prime.

It is a super-2 number, since 2×23301212131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23301212099 and 23301212108.

It is not an unprimeable number, because it can be changed into a prime (23301212101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219870 + ... + 308131.

It is an arithmetic number, because the mean of its divisors is an integer number (5825446066).

Almost surely, 2^23301212131 is an apocalyptic number.

23301212131 is a deficient number, since it is larger than the sum of its proper divisors (572133).

23301212131 is an equidigital number, since it uses as much as digits as its factorization.

23301212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572132.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23301212131 its reverse (13121210332), we get a palindrome (36422422463).

It can be divided in two parts, 2330 and 1212131, that added together give a triangular number (1214461 = T₁₅₅₈).

The spelling of 23301212131 in words is "twenty-three billion, three hundred one million, two hundred twelve thousand, one hundred thirty-one".