1051542423 has 12 divisors (see below), whose sum is σ = 1519365120. Its totient is φ = 700811136.

The previous prime is 1051542409. The next prime is 1051542431. The reversal of 1051542423 is 3242451501.

It is not a de Polignac number, because 1051542423 - 2⁵ = 1051542391 is a prime.

It is a super-2 number, since 2×1051542423² = 2211482934737421858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051542433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15943 + ... + 48551.

It is an arithmetic number, because the mean of its divisors is an integer number (126613760).

Almost surely, 2^1051542423 is an apocalyptic number.

1051542423 is a deficient number, since it is larger than the sum of its proper divisors (467822697).

1051542423 is a wasteful number, since it uses less digits than its factorization.

1051542423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36198 (or 36195 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1051542423 is about 32427.4948616140. The cubic root of 1051542423 is about 1016.8938000213.

Adding to 1051542423 its reverse (3242451501), we get a palindrome (4293993924).

The spelling of 1051542423 in words is "one billion, fifty-one million, five hundred forty-two thousand, four hundred twenty-three".