11402530123 has 8 divisors (see below), whose sum is σ = 11587813776. Its totient is φ = 11218387200.

The previous prime is 11402530079. The next prime is 11402530127. The reversal of 11402530123 is 32103520411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11402530123 - 2²⁵ = 11368975691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11402530094 and 11402530103.

It is not an unprimeable number, because it can be changed into a prime (11402530127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265018 + ... + 305023.

It is an arithmetic number, because the mean of its divisors is an integer number (1448476722).

Almost surely, 2^11402530123 is an apocalyptic number.

11402530123 is a deficient number, since it is larger than the sum of its proper divisors (185283653).

11402530123 is an equidigital number, since it uses as much as digits as its factorization.

11402530123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570365.

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 11402530123 in words is "eleven billion, four hundred two million, five hundred thirty thousand, one hundred twenty-three".