23220023401 has 2 divisors, whose sum is σ = 23220023402. Its totient is φ = 23220023400.

The previous prime is 23220023357. The next prime is 23220023467. The reversal of 23220023401 is 10432002232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14811133401 + 8408890000 = 121701^2 + 91700^2 .

It is a cyclic number.

It is not a de Polignac number, because 23220023401 - 2⁷ = 23220023273 is a prime.

It is not a weakly prime, because it can be changed into another prime (23220023471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610011700 + 11610011701.

It is an arithmetic number, because the mean of its divisors is an integer number (11610011701).

Almost surely, 2^23220023401 is an apocalyptic number.

It is an amenable number.

23220023401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220023401 is an equidigital number, since it uses as much as digits as its factorization.

23220023401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23220023401 its reverse (10432002232), we get a palindrome (33652025633).

The spelling of 23220023401 in words is "twenty-three billion, two hundred twenty million, twenty-three thousand, four hundred one".