123013769 has 4 divisors (see below), whose sum is σ = 123163344. Its totient is φ = 122864196.

The previous prime is 123013763. The next prime is 123013777. The reversal of 123013769 is 967310321.

It is a happy number.

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: 967310321 = 23057 ⋅41953.

It is a cyclic number.

It is not a de Polignac number, because 123013769 - 2¹² = 123009673 is a prime.

It is a super-2 number, since 2×123013769² = 30264774727170722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123013763) 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, 73547 + ... + 75200.

It is an arithmetic number, because the mean of its divisors is an integer number (30790836).

Almost surely, 2^123013769 is an apocalyptic number.

It is an amenable number.

123013769 is a deficient number, since it is larger than the sum of its proper divisors (149575).

123013769 is an equidigital number, since it uses as much as digits as its factorization.

123013769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149574.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 123013769 is about 11091.1572434981. The cubic root of 123013769 is about 497.3375397756.

The spelling of 123013769 in words is "one hundred twenty-three million, thirteen thousand, seven hundred sixty-nine".