23554454401 has 2 divisors, whose sum is σ = 23554454402. Its totient is φ = 23554454400.

The previous prime is 23554454383. The next prime is 23554454411. The reversal of 23554454401 is 10445445532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17313296400 + 6241158001 = 131580^2 + 79001^2 .

It is a cyclic number.

It is not a de Polignac number, because 23554454401 - 2²¹ = 23552357249 is a prime.

It is not a weakly prime, because it can be changed into another prime (23554454411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11777227200 + 11777227201.

It is an arithmetic number, because the mean of its divisors is an integer number (11777227201).

Almost surely, 2^23554454401 is an apocalyptic number.

It is an amenable number.

23554454401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23554454401 is an equidigital number, since it uses as much as digits as its factorization.

23554454401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 23554454401 its reverse (10445445532), we get a palindrome (33999899933).

The spelling of 23554454401 in words is "twenty-three billion, five hundred fifty-four million, four hundred fifty-four thousand, four hundred one".