23245547497 has 2 divisors, whose sum is σ = 23245547498. Its totient is φ = 23245547496.

The previous prime is 23245547453. The next prime is 23245547509. The reversal of 23245547497 is 79474554232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14498808921 + 8746738576 = 120411^2 + 93524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23245547497 is a prime.

It is not a weakly prime, because it can be changed into another prime (23245547447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11622773748 + 11622773749.

It is an arithmetic number, because the mean of its divisors is an integer number (11622773749).

Almost surely, 2^23245547497 is an apocalyptic number.

It is an amenable number.

23245547497 is a deficient number, since it is larger than the sum of its proper divisors (1).

23245547497 is an equidigital number, since it uses as much as digits as its factorization.

23245547497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 52.

The spelling of 23245547497 in words is "twenty-three billion, two hundred forty-five million, five hundred forty-seven thousand, four hundred ninety-seven".