11423570 has 8 divisors (see below), whose sum is σ = 20562444. Its totient is φ = 4569424.

The previous prime is 11423569. The next prime is 11423591. The reversal of 11423570 is 7532411.

It can be written as a sum of positive squares in 2 ways, for example, as 11417641 + 5929 = 3379^2 + 77^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571169 + ... + 571188.

Almost surely, 2^11423570 is an apocalyptic number.

11423570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11423570 is a deficient number, since it is larger than the sum of its proper divisors (9138874).

11423570 is a wasteful number, since it uses less digits than its factorization.

11423570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142364.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 11423570 is about 3379.8772167048. The cubic root of 11423570 is about 225.2167130124.

Adding to 11423570 its reverse (7532411), we get a palindrome (18955981).

It can be divided in two parts, 1142 and 3570, that multiplied together give a triangular number (4076940 = T₂₈₅₅).

The spelling of 11423570 in words is "eleven million, four hundred twenty-three thousand, five hundred seventy".