1023551132 has 6 divisors (see below), whose sum is σ = 1791214488. Its totient is φ = 511775564.

The previous prime is 1023551117. The next prime is 1023551141. The reversal of 1023551132 is 2311553201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1023551098 and 1023551107.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 127943888 + ... + 127943895.

It is an arithmetic number, because the mean of its divisors is an integer number (298535748).

Almost surely, 2^1023551132 is an apocalyptic number.

It is an amenable number.

1023551132 is a deficient number, since it is larger than the sum of its proper divisors (767663356).

1023551132 is a wasteful number, since it uses less digits than its factorization.

1023551132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255887787 (or 255887785 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1023551132 is about 31992.9856687368. The cubic root of 1023551132 is about 1007.7895428075.

The spelling of 1023551132 in words is "one billion, twenty-three million, five hundred fifty-one thousand, one hundred thirty-two".