1423007155 has 8 divisors (see below), whose sum is σ = 1708146000. Its totient is φ = 1138047456.

The previous prime is 1423007153. The next prime is 1423007221. The reversal of 1423007155 is 5517003241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1423007155 - 2¹ = 1423007153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423007153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26640 + ... + 59629.

It is an arithmetic number, because the mean of its divisors is an integer number (213518250).

Almost surely, 2^1423007155 is an apocalyptic number.

1423007155 is a deficient number, since it is larger than the sum of its proper divisors (285138845).

1423007155 is an equidigital number, since it uses as much as digits as its factorization.

1423007155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89573.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1423007155 is about 37722.7670644665. The cubic root of 1423007155 is about 1124.7837358777.

The spelling of 1423007155 in words is "one billion, four hundred twenty-three million, seven thousand, one hundred fifty-five".