153438423679 has 2 divisors, whose sum is σ = 153438423680. Its totient is φ = 153438423678.

The previous prime is 153438423623. The next prime is 153438423703. The reversal of 153438423679 is 976324834351.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 153438423679 - 2¹⁷ = 153438292607 is a prime.

It is a super-2 number, since 2×153438423679² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153438423779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76719211839 + 76719211840.

It is an arithmetic number, because the mean of its divisors is an integer number (76719211840).

Almost surely, 2^153438423679 is an apocalyptic number.

153438423679 is a deficient number, since it is larger than the sum of its proper divisors (1).

153438423679 is an equidigital number, since it uses as much as digits as its factorization.

153438423679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 55.

The spelling of 153438423679 in words is "one hundred fifty-three billion, four hundred thirty-eight million, four hundred twenty-three thousand, six hundred seventy-nine".