742035123253 has 4 divisors (see below), whose sum is σ = 742871691360. Its totient is φ = 741198555148.

The previous prime is 742035123233. The next prime is 742035123257. The reversal of 742035123253 is 352321530247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352321530247 = 328829 ⋅1071443.

It is a cyclic number.

It is not a de Polignac number, because 742035123253 - 2²¹ = 742033026101 is a prime.

It is a super-2 number, since 2×742035123253² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742035123257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418282723 + ... + 418284496.

It is an arithmetic number, because the mean of its divisors is an integer number (185717922840).

Almost surely, 2^742035123253 is an apocalyptic number.

It is an amenable number.

742035123253 is a deficient number, since it is larger than the sum of its proper divisors (836568107).

742035123253 is an equidigital number, since it uses as much as digits as its factorization.

742035123253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836568106.

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 742035123253 in words is "seven hundred forty-two billion, thirty-five million, one hundred twenty-three thousand, two hundred fifty-three".