11402023 has 2 divisors, whose sum is σ = 11402024. Its totient is φ = 11402022.

The previous prime is 11402011. The next prime is 11402047. The reversal of 11402023 is 32020411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11402023 is a prime.

It is a super-2 number, since 2×11402023² = 260012256985058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11401994 and 11402012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11402003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701011 + 5701012.

It is an arithmetic number, because the mean of its divisors is an integer number (5701012).

Almost surely, 2^11402023 is an apocalyptic number.

11402023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11402023 is an equidigital number, since it uses as much as digits as its factorization.

11402023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 11402023 is about 3376.6881703823. The cubic root of 11402023 is about 225.0750235412.

Adding to 11402023 its reverse (32020411), we get a palindrome (43422434).

The spelling of 11402023 in words is "eleven million, four hundred two thousand, twenty-three".