1625131706323 has 2 divisors, whose sum is σ = 1625131706324. Its totient is φ = 1625131706322.

The previous prime is 1625131706117. The next prime is 1625131706333. The reversal of 1625131706323 is 3236071315261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1625131706323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1625131706333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812565853161 + 812565853162.

It is an arithmetic number, because the mean of its divisors is an integer number (812565853162).

Almost surely, 2^{1625131706323} is an apocalyptic number.

1625131706323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1625131706323 is an equidigital number, since it uses as much as digits as its factorization.

1625131706323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 1625131706323 in words is "one trillion, six hundred twenty-five billion, one hundred thirty-one million, seven hundred six thousand, three hundred twenty-three".