23453383537 has 2 divisors, whose sum is σ = 23453383538. Its totient is φ = 23453383536.

The previous prime is 23453383511. The next prime is 23453383553. The reversal of 23453383537 is 73538335432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16296054336 + 7157329201 = 127656^2 + 84601^2 .

It is a cyclic number.

It is not a de Polignac number, because 23453383537 - 2³¹ = 21305899889 is a prime.

It is a super-2 number, since 2×23453383537² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23453383937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726691768 + 11726691769.

It is an arithmetic number, because the mean of its divisors is an integer number (11726691769).

Almost surely, 2^23453383537 is an apocalyptic number.

It is an amenable number.

23453383537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23453383537 is an equidigital number, since it uses as much as digits as its factorization.

23453383537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 46.

The spelling of 23453383537 in words is "twenty-three billion, four hundred fifty-three million, three hundred eighty-three thousand, five hundred thirty-seven".