1423025550 has 192 divisors, whose sum is σ = 4161638400. Its totient is φ = 356918400.

The previous prime is 1423025503. The next prime is 1423025609. The reversal of 1423025550 is 555203241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1547991 + ... + 1548909.

It is an arithmetic number, because the mean of its divisors is an integer number (21675200).

Almost surely, 2^1423025550 is an apocalyptic number.

1423025550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423025550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080819200).

1423025550 is an abundant number, since it is smaller than the sum of its proper divisors (2738612850).

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

1423025550 is a wasteful number, since it uses less digits than its factorization.

1423025550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1423025550 is about 37723.0108819537. The cubic root of 1423025550 is about 1124.7885824937.

Adding to 1423025550 its reverse (555203241), we get a palindrome (1978228791).

The spelling of 1423025550 in words is "one billion, four hundred twenty-three million, twenty-five thousand, five hundred fifty".