155116023 has 8 divisors (see below), whose sum is σ = 207338736. Its totient is φ = 103152000.

The previous prime is 155116009. The next prime is 155116051. The reversal of 155116023 is 320611551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155116023 - 2⁵ = 155115991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155115984 and 155116002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155116123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63268 + ... + 65673.

It is an arithmetic number, because the mean of its divisors is an integer number (25917342).

Almost surely, 2^155116023 is an apocalyptic number.

155116023 is a deficient number, since it is larger than the sum of its proper divisors (52222713).

155116023 is a wasteful number, since it uses less digits than its factorization.

155116023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129345.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 155116023 is about 12454.5583221566. The cubic root of 155116023 is about 537.3025319695.

Adding to 155116023 its reverse (320611551), we get a palindrome (475727574).

The spelling of 155116023 in words is "one hundred fifty-five million, one hundred sixteen thousand, twenty-three".