1023632142 has 32 divisors (see below), whose sum is σ = 2246354208. Its totient is φ = 309019776.

The previous prime is 1023632131. The next prime is 1023632161. The reversal of 1023632142 is 2412363201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119673 + ... + 127940.

It is an arithmetic number, because the mean of its divisors is an integer number (70198569).

Almost surely, 2^1023632142 is an apocalyptic number.

1023632142 is an abundant number, since it is smaller than the sum of its proper divisors (1222722066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023632142 is a wasteful number, since it uses less digits than its factorization.

1023632142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247684.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1023632142 is about 31994.2517024543. The cubic root of 1023632142 is about 1007.8161296171.

Adding to 1023632142 its reverse (2412363201), we get a palindrome (3435995343).

The spelling of 1023632142 in words is "one billion, twenty-three million, six hundred thirty-two thousand, one hundred forty-two".