423423132541537 has 2 divisors, whose sum is σ = 423423132541538. Its totient is φ = 423423132541536.

The previous prime is 423423132541511. The next prime is 423423132541561. The reversal of 423423132541537 is 735145231324324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327935917218001 + 95487215323536 = 18109001^2 + 9771756^2 .

It is a cyclic number.

It is not a de Polignac number, because 423423132541537 - 2²³ = 423423124152929 is a prime.

It is a super-2 number, since 2×423423132541537² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423423132541567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211711566270768 + 211711566270769.

It is an arithmetic number, because the mean of its divisors is an integer number (211711566270769).

Almost surely, 2^{423423132541537} is an apocalyptic number.

It is an amenable number.

423423132541537 is a deficient number, since it is larger than the sum of its proper divisors (1).

423423132541537 is an equidigital number, since it uses as much as digits as its factorization.

423423132541537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 49.

The spelling of 423423132541537 in words is "four hundred twenty-three trillion, four hundred twenty-three billion, one hundred thirty-two million, five hundred forty-one thousand, five hundred thirty-seven".