23203143401 has 2 divisors, whose sum is σ = 23203143402. Its totient is φ = 23203143400.

The previous prime is 23203143331. The next prime is 23203143421. The reversal of 23203143401 is 10434130232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22989837376 + 213306025 = 151624^2 + 14605^2 .

It is a cyclic number.

It is not a de Polignac number, because 23203143401 - 2¹⁸ = 23202881257 is a prime.

It is not a weakly prime, because it can be changed into another prime (23203143421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601571700 + 11601571701.

It is an arithmetic number, because the mean of its divisors is an integer number (11601571701).

Almost surely, 2^23203143401 is an apocalyptic number.

It is an amenable number.

23203143401 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203143401 is an equidigital number, since it uses as much as digits as its factorization.

23203143401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23203143401 its reverse (10434130232), we get a palindrome (33637273633).

The spelling of 23203143401 in words is "twenty-three billion, two hundred three million, one hundred forty-three thousand, four hundred one".