1423015531313 has 2 divisors, whose sum is σ = 1423015531314. Its totient is φ = 1423015531312.

The previous prime is 1423015531309. The next prime is 1423015531369. The reversal of 1423015531313 is 3131355103241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1095262716304 + 327752815009 = 1046548^2 + 572497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423015531313 - 2² = 1423015531309 is a prime.

It is a super-3 number, since 3×1423015531313³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1423015531313.

It is not a weakly prime, because it can be changed into another prime (1423015531373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711507765656 + 711507765657.

It is an arithmetic number, because the mean of its divisors is an integer number (711507765657).

Almost surely, 2^{1423015531313} is an apocalyptic number.

It is an amenable number.

1423015531313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423015531313 is an equidigital number, since it uses as much as digits as its factorization.

1423015531313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 1423015531313 in words is "one trillion, four hundred twenty-three billion, fifteen million, five hundred thirty-one thousand, three hundred thirteen".