32623344421 has 2 divisors, whose sum is σ = 32623344422. Its totient is φ = 32623344420.

The previous prime is 32623344409. The next prime is 32623344427. The reversal of 32623344421 is 12444332623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31714623396 + 908721025 = 178086^2 + 30145^2 .

It is a cyclic number.

It is not a de Polignac number, because 32623344421 - 2⁷ = 32623344293 is a prime.

It is a super-2 number, since 2×32623344421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32623344427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16311672210 + 16311672211.

It is an arithmetic number, because the mean of its divisors is an integer number (16311672211).

Almost surely, 2^32623344421 is an apocalyptic number.

It is an amenable number.

32623344421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32623344421 is an equidigital number, since it uses as much as digits as its factorization.

32623344421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 34.

The spelling of 32623344421 in words is "thirty-two billion, six hundred twenty-three million, three hundred forty-four thousand, four hundred twenty-one".