1023342156 has 18 divisors (see below), whose sum is σ = 2586781652. Its totient is φ = 341114040.

The previous prime is 1023342137. The next prime is 1023342157. The reversal of 1023342156 is 6512433201.

1023342156 is a `hidden beast` number, since 1 + 0 + 233 + 421 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1023342157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14213050 + ... + 14213121.

Almost surely, 2^1023342156 is an apocalyptic number.

It is an amenable number.

1023342156 is an abundant number, since it is smaller than the sum of its proper divisors (1563439496).

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

1023342156 is a wasteful number, since it uses less digits than its factorization.

1023342156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28426181 (or 28426176 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1023342156 is about 31989.7195361260. The cubic root of 1023342156 is about 1007.7209521414.

Adding to 1023342156 its reverse (6512433201), we get a palindrome (7535775357).

The spelling of 1023342156 in words is "one billion, twenty-three million, three hundred forty-two thousand, one hundred fifty-six".