1232523401 has 2 divisors, whose sum is σ = 1232523402. Its totient is φ = 1232523400.

The previous prime is 1232523349. The next prime is 1232523433. The reversal of 1232523401 is 1043252321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1095610000 + 136913401 = 33100^2 + 11701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232523401 is a prime.

It is a super-2 number, since 2×1232523401² = 3038227868025213602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1232525401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616261700 + 616261701.

It is an arithmetic number, because the mean of its divisors is an integer number (616261701).

Almost surely, 2^1232523401 is an apocalyptic number.

It is an amenable number.

1232523401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232523401 is an equidigital number, since it uses as much as digits as its factorization.

1232523401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1232523401 is about 35107.3126428099. The cubic root of 1232523401 is about 1072.1734727181.

Adding to 1232523401 its reverse (1043252321), we get a palindrome (2275775722).

The spelling of 1232523401 in words is "one billion, two hundred thirty-two million, five hundred twenty-three thousand, four hundred one".