23012022437 has 2 divisors, whose sum is σ = 23012022438. Its totient is φ = 23012022436.

The previous prime is 23012022433. The next prime is 23012022469. The reversal of 23012022437 is 73422021032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22933770721 + 78251716 = 151439^2 + 8846^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012022437 - 2² = 23012022433 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23012022433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506011218 + 11506011219.

It is an arithmetic number, because the mean of its divisors is an integer number (11506011219).

Almost surely, 2^23012022437 is an apocalyptic number.

It is an amenable number.

23012022437 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012022437 is an equidigital number, since it uses as much as digits as its factorization.

23012022437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 23012022437 its reverse (73422021032), we get a palindrome (96434043469).

The spelling of 23012022437 in words is "twenty-three billion, twelve million, twenty-two thousand, four hundred thirty-seven".