1023201123 has 16 divisors (see below), whose sum is σ = 1562380800. Its totient is φ = 583479936.

The previous prime is 1023201121. The next prime is 1023201131. The reversal of 1023201123 is 3211023201.

It is not a de Polignac number, because 1023201123 - 2¹ = 1023201121 is a prime.

It is a super-2 number, since 2×1023201123² = 2093881076216922258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023201121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39798 + ... + 60251.

It is an arithmetic number, because the mean of its divisors is an integer number (97648800).

Almost surely, 2^1023201123 is an apocalyptic number.

1023201123 is a deficient number, since it is larger than the sum of its proper divisors (539179677).

1023201123 is a wasteful number, since it uses less digits than its factorization.

1023201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100546.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1023201123 is about 31987.5151113681. The cubic root of 1023201123 is about 1007.6746566322.

Adding to 1023201123 its reverse (3211023201), we get a palindrome (4234224324).

The spelling of 1023201123 in words is "one billion, twenty-three million, two hundred one thousand, one hundred twenty-three".