11402123734 has 4 divisors (see below), whose sum is σ = 17103185604. Its totient is φ = 5701061866.

The previous prime is 11402123723. The next prime is 11402123741. The reversal of 11402123734 is 43732120411.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11402123734² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2850530932 + ... + 2850530935.

It is an arithmetic number, because the mean of its divisors is an integer number (4275796401).

Almost surely, 2^11402123734 is an apocalyptic number.

11402123734 is a deficient number, since it is larger than the sum of its proper divisors (5701061870).

11402123734 is an equidigital number, since it uses as much as digits as its factorization.

11402123734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701061869.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 11402123734 in words is "eleven billion, four hundred two million, one hundred twenty-three thousand, seven hundred thirty-four".